The version of Firefox installed on the remote Windows host is prior to 71.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2019-36 advisory.

  - When encrypting with a block cipher, if a call to     NSC_EncryptUpdate was made with data smaller than the block     size, a small out of bounds write could occur. This could     have caused heap corruption and a potentially exploitable     crash. (CVE-2019-11745)

  - Improper refcounting of soft token session objects could     cause a use-after-free and crash (likely limited to a denial     of service). (CVE-2019-11756)

  - When setting a thread name on Windows in WebRTC, an     incorrect number of arguments could have been supplied,     leading to stack corruption and a potentially exploitable     crash.
    Note: this issue only occurs on Windows. Other operating     systems are unaffected. (CVE-2019-13722)

  - When using nested workers, a use-after-free could occur     during worker destruction. This resulted in a potentially     exploitable crash. (CVE-2019-17008)

  - When running, the updater service wrote status and log     files to an unrestricted location; potentially allowing     an unprivileged process to locate and exploit a     vulnerability in file handling in the updater service.
  - Note: This attack requires local system access and only     affects Windows. Other operating systems are not affected.
    (CVE-2019-17009)

  - Under certain conditions, when checking the Resist     Fingerprinting preference during device orientation checks,     a race condition could have caused a use-after-free and a     potentially exploitable crash. (CVE-2019-17010)

  - Under certain conditions, when retrieving a document from     a DocShell in the antitracking code, a race condition     could cause a use-after-free condition and a potentially     exploitable crash. (CVE-2019-17011)

  - Mozilla developers Christoph Diehl, Nathan Froyd, Jason     Kratzer, Christian Holler, Karl Tomlinson, Tyson Smith     reported memory safety bugs present in Firefox 70 and     Firefox ESR 68.2. Some of these bugs showed evidence of     memory corruption and we presume that with enough effort     some of these could have been exploited to run arbitrary code.
    (CVE-2019-17012)

  - Mozilla developers and community members Philipp, Diego     Calleja, Mikhail Gavrilov, Jason Kratzer, Christian     Holler, Markus Stange, Tyson Smith reported memory safety     bugs present in Firefox 70. Some of these bugs showed     evidence of memory corruption and we presume that with     enough effort some of these could have been exploited to     run arbitrary code. (CVE-2019-17013)

  - If an image had not loaded correctly (such as when it is     not actually an image), it could be dragged and dropped     cross-domain, resulting in a cross-origin information leak.
    (CVE-2019-17014)     Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of Thunderbird installed on the remote Windows host is prior to 68.3. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2019-38 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2019:4107 advisory.

  - Mozilla: Buffer overflow in plain text serializer (CVE-2019-17005)

  - Mozilla: Use-after-free in worker destruction (CVE-2019-17008)

  - Mozilla: Use-after-free when performing device orientation checks (CVE-2019-17010)

  - Mozilla: Use-after-free when retrieving a document in antitracking (CVE-2019-17011)

  - Mozilla: Memory safety bugs fixed in Firefox 71 and Firefox ESR 68.3 (CVE-2019-17012)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2019:4148 advisory.

  - Mozilla: Buffer overflow in plain text serializer (CVE-2019-17005)

  - Mozilla: Use-after-free in worker destruction (CVE-2019-17008)

  - Mozilla: Use-after-free when performing device orientation checks (CVE-2019-17010)

  - Mozilla: Use-after-free when retrieving a document in antitracking (CVE-2019-17011)

  - Mozilla: Memory safety bugs fixed in Firefox 71 and Firefox ESR 68.3 (CVE-2019-17012)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:0292 advisory.

  - Mozilla: Buffer overflow in plain text serializer (CVE-2019-17005)

  - Mozilla: Use-after-free in worker destruction (CVE-2019-17008)

  - Mozilla: Use-after-free when performing device orientation checks (CVE-2019-17010)

  - Mozilla: Use-after-free when retrieving a document in antitracking (CVE-2019-17011)

  - Mozilla: Memory safety bugs fixed in Firefox 71 and Firefox ESR 68.3 (CVE-2019-17012)

  - Mozilla: Bypass of @namespace CSS sanitization during pasting (CVE-2019-17016)

  - Mozilla: Type Confusion in XPCVariant.cpp (CVE-2019-17017)

  - Mozilla: CSS sanitization does not escape HTML tags (CVE-2019-17022)

  - Mozilla: Memory safety bugs fixed in Firefox 72 and Firefox ESR 68.4 (CVE-2019-17024)

  - Mozilla: IonMonkey type confusion with StoreElementHole and FallibleStoreElement (CVE-2019-17026)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
131773	Mozilla Firefox < 71.0	Nessus	Windows	12/6/2019	4/5/2024	high
131956	Mozilla Thunderbird < 68.3	Nessus	Windows	12/12/2019	4/4/2024	high
131745	RHEL 7 : firefox (RHSA-2019:4107)	Nessus	Red Hat Local Security Checks	12/6/2019	4/28/2024	high
131977	RHEL 7 : thunderbird (RHSA-2019:4148)	Nessus	Red Hat Local Security Checks	12/12/2019	4/27/2024	high
133384	RHEL 8 : thunderbird (RHSA-2020:0292)	Nessus	Red Hat Local Security Checks	1/31/2020	4/27/2024	high

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